Land formations / Burrud, John

Students in grades five through eight travel along as visitors from outer space investigate the variety of land formations on Earth, and the forces that affect them. Includes a hands-on demonstration.

Examines the structure and history of Earth from the perspective of visitors from a distant galaxy, focusing on how continental drift, weathering, and other forces have shaped the planet; features a visit to Devil' Postpile National Monument; and includes a demonstration of the effects of the sea floor's spreading and sinking.